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Journal articles on the topic 'Blue emitting gold nanoclusters'

Author: Grafiati

Published: 6 September 2023

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1

Molaabasi, Fatemeh, Saman Hosseinkhani, Ali Akbar Moosavi-Movahedi, and Mojtaba Shamsipur. "Hydrogen peroxide sensitive hemoglobin-capped gold nanoclusters as a fluorescence enhancing sensor for the label-free detection of glucose." RSC Advances 5, no. 42 (2015): 33123–35. http://dx.doi.org/10.1039/c5ra00335k.

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2

Lee, Eun Sung, Byung Seok Cha, Seokjoon Kim, and Ki Soo Park. "Synthesis of Exosome-Based Fluorescent Gold Nanoclusters for Cellular Imaging Applications." International Journal of Molecular Sciences 22, no. 9 (April 23, 2021): 4433. http://dx.doi.org/10.3390/ijms22094433.

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In recent years, fluorescent metal nanoclusters have been used to develop bioimaging and sensing technology. Notably, protein-templated fluorescent gold nanoclusters (AuNCs) are attracting interest due to their excellent fluorescence properties and biocompatibility. Herein, we used an exosome template to synthesize AuNCs in an eco-friendly manner that required neither harsh conditions nor toxic chemicals. Specifically, we used a neutral (pH 7) and alkaline (pH 11.5) pH to synthesize two different exosome-based AuNCs (exo-AuNCs) with independent blue and red emission. Using field-emission scanning electron microscopy, energy dispersive X-ray microanalysis, nanoparticle tracking analysis, and X-ray photoelectron spectroscopy, we demonstrated that AuNCs were successfully formed in the exosomes. Red-emitting exo-AuNCs were found to have a larger Stokes shift and a stronger fluorescence intensity than the blue-emitting exo-AuNCs. Both exo-AuNCs were compatible with MCF-7 (human breast cancer), HeLa (human cervical cancer), and HT29 (human colon cancer) cells, although blue-emitting exo-AuNCs were cytotoxic at high concentrations (≥5 mg/mL). Red-emitting exo-AuNCs successfully stained the nucleus and were compatible with membrane-staining dyes. This is the first study to use exosomes to synthesize fluorescent nanomaterials for cellular imaging applications. As exosomes are naturally produced via secretion from almost all types of cell, the proposed method could serve as a strategy for low-cost production of versatile nanomaterials.

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3

Chiechio, Regina M., Solène Ducarre, Célia Marets, Aurélien Dupont, Pascale Even-Hernandez, Xavier Pinson, Stéphanie Dutertre, et al. "Encapsulation of Luminescent Gold Nanoclusters into Synthetic Vesicles." Nanomaterials 12, no. 21 (November 2, 2022): 3875. http://dx.doi.org/10.3390/nano12213875.

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Gold nanoclusters (Au NCs) are attractive luminescent nanoprobes for biomedical applications. In vivo biosensing and bioimaging requires the delivery of the Au NCs into subcellular compartments. In this view, we explore here the possible encapsulation of ultra-small-sized red and blue emitting Au NCs into liposomes of various sizes and chemical compositions. Different methods were investigated to prepare vesicles containing Au NCs in their lumen. The efficiency of the process was correlated to the structural and morphological aspect of the Au NCs’ encapsulating vesicles thanks to complementary analyses by SAXS, cryo-TEM, and confocal microscopy techniques. Cell-like-sized vesicles (GUVs) encapsulating red or blue Au NCs were successfully obtained by an innovative method using emulsion phase transfer. Furthermore, exosome-like-sized vesicles (LUVs) containing Au NCs were obtained with an encapsulation yield of 40%, as estimated from ICP-MS.

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4

Lopez, Anand, and Juewen Liu. "DNA-templated fluorescent gold nanoclusters reduced by Good’s buffer: from blue-emitting seeds to red and near infrared emitters." Canadian Journal of Chemistry 93, no. 6 (June 2015): 615–20. http://dx.doi.org/10.1139/cjc-2014-0600.

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DNA-templated fluorescent gold nanoclusters (AuNCs) have been recently prepared showing higher photostability than the silver counterpart. In this work, we examined the effect of pH, DNA length, DNA sequence, and reducing agent. Citrate, HEPES, and MES produce blue emitters, glucose and NaBH4 cannot produce fluorescent AuNCs, while ascorbate shows blue emission even in the absence of DNA. This is the first report of using Good’s buffer for making fluorescent AuNCs. Dimethylamine borane (DMAB) produces red emitters. Poly-C DNA produces AuNCs only at low pH and each DNA chain can only bind to a few gold atoms, regardless of the DNA length. Otherwise, large nonfluorescent gold nanoparticles (AuNPs) are formed. Each poly-A DNA might template a few independent AuNCs. The blue emitters can be further reduced to form red emitters by adding DMAB. The emission color is mainly determined by the type of reducing agent instead of DNA sequence.

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5

Tahir, Fernando Lazaro Freire Jr, Ricardo Q. Aucelio, Marco Cremona, Juliana da S. Padilha, Giancarlo Margheri, Quaid Zaman, et al. "Quenching of the Photoluminescence of Gold Nanoclusters Synthesized by Pulsed Laser Ablation in Water upon Interaction with Toxic Metal Species in Aqueous Solution." Chemosensors 11, no. 2 (February 5, 2023): 118. http://dx.doi.org/10.3390/chemosensors11020118.

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Sensors for the detection of heavy metal ions in water are in high demand due to the danger they pose to both the environment and human health. Among their possible detection approaches, modulation of the photoluminescence of gold nanoclusters (AuNCs) is gaining wide interest as an alternative to classical analytical methods based on complex and high-cost instrumentation. In the present work, luminescent oxidized AuNCs emitting in both ultraviolet (UV) and visible (blue) regions were synthesized by pulsed laser ablation of a gold target in NaOH aqueous solution, followed by different bleaching processes. High-resolution electron microscopy and energy-dispersive X-ray scattering confirmed the presence of oxygen and gold in the transparent photoluminescent clusters, with an average diameter of about 3 nm. The potentialities of the bleached AuNCs colloidal dispersions for the detection of heavy metal ions were studied by evaluating the variation in photoluminescence in the presence of Cd2+, Pb2+, Hg2+ and CH3Hg+ ions. Different responses were observed in the UV and visible (blue) spectral regions. The intensity of blue emission decreased (no more than 10%) and saturated at concentrations higher than 20 ppb for all the heavy metal ions tested. In contrast, the UV band emission was remarkably affected in the presence of Hg2+ ions, thus leading to signal variations for concentrations well beyond 20 ppb (the concentration at which saturation occurs for other ions). The limit of detection for Hg2+ is about 3 ppb (15 nmol/L), and the photoluminescence intensity diminishes linearly by about 75% up to 600 ppb. The results are interpreted based on the ligand-free interaction, i.e., the metallophilic bonding formation of Hg2+ and Au+ oxide present on the surface of the UV-emitting nanoclusters.

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6

Xu, Shenghao, Xin Lu, Chenxi Yao, Fu Huang, Hua Jiang, Wenhao Hua, Na Na, Haiyan Liu, and Jin Ouyang. "A Visual Sensor Array for Pattern Recognition Analysis of Proteins Using Novel Blue-Emitting Fluorescent Gold Nanoclusters." Analytical Chemistry 86, no. 23 (November 17, 2014): 11634–39. http://dx.doi.org/10.1021/ac502643s.

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7

Moreaud, Laureen, Janak Prasad, Serges Mazères, Cécile Marcelot, Clothilde Comby-Zerbino, Rodolphe Antoine, Olivier Heintz, and Erik Dujardin. "Facile one-pot synthesis of white emitting gold nanocluster solutions composed of red, green and blue emitters." Journal of Materials Chemistry C 10, no. 6 (2022): 2263–70. http://dx.doi.org/10.1039/d1tc04874k.

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8

Yen, Yao-Te, Ting-Yueh Chen, Chun-Yu Chen, Chi-Lun Chang, San-Chong Chyueh, and Huan-Tsung Chang. "A Photoluminescent Colorimetric Probe of Bovine Serum Albumin-Stabilized Gold Nanoclusters for New Psychoactive Substances: Cathinone Drugs in Seized Street Samples." Sensors 19, no. 16 (August 15, 2019): 3554. http://dx.doi.org/10.3390/s19163554.

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Screening of illicit drugs for new psychoactive substances—namely cathinone—at crime scenes is in high demand. A dual-emission bovine serum albumin-stabilized gold nanoclusters probe was synthesized and used for quantitation and screening of 4-chloromethcathinone and cathinone analogues in an aqueous solution. The photoluminescent (PL) color of the bovine serum albumin-stabilized Au nanoclusters (BSA-Au NCs) probe solution changed from red to dark blue during the identification of cathinone drugs when excited using a portable ultraviolet light-emitting diodes lamp (365 nm). This probe solution allows the PL color-changing point and limit of detection down to 10.0 and 0.14 mM, respectively, for 4-chloromethcathinone. The phenomenon of PL color-changing of BSA-Au NCs was attributed to its PL band at 650 nm, quenching through an electron transfer mechanism. The probe solution was highly specific to cathinone drugs, over other popular illicit drugs, including heroin, cocaine, ketamine, and methamphetamine. The practicality of this BSA-Au NCs probe was assessed by using it to screen illicit drugs seized by law enforcement officers. All 20 actual cases from street and smuggling samples were validated using this BSA-Au NCs probe solution and then confirmed using gas chromatography–mass spectrometry. The results reveal this BSA-Au NCs probe solution is practical for screening cathinone drugs at crime scenes.

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9

Kennedy, Thomas A. C., James L. MacLean, and Juewen Liu. "Blue emitting gold nanoclusters templated by poly-cytosine DNA at low pH and poly-adenine DNA at neutral pH." Chemical Communications 48, no. 54 (2012): 6845. http://dx.doi.org/10.1039/c2cc32841k.

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10

Putra, Ridwan P., Yoshinori Ikumura, Hideyuki Horino, Akiko Hori, and Izabela I. Rzeznicka. "Adsorption and Conformation of Bovine Serum Albumin with Blue-Emitting Gold Nanoclusters at the Air/Water and Lipid/Water Interfaces." Langmuir 35, no. 50 (November 25, 2019): 16576–82. http://dx.doi.org/10.1021/acs.langmuir.9b02831.

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11

Shamsipur, Mojtaba, Fatemeh Molaabasi, Maryam Shanehsaz, and Ali Akbar Moosavi-Movahedi. "Novel blue-emitting gold nanoclusters confined in human hemoglobin, and their use as fluorescent probes for copper(II) and histidine." Microchimica Acta 182, no. 5-6 (December 9, 2014): 1131–41. http://dx.doi.org/10.1007/s00604-014-1428-x.

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12

Cui, Wanwan, Haiyan Qin, Yang Zhou, and Jianxiu Du. "Determination of the activity of hydrogen peroxide scavenging by using blue-emitting glucose oxidase–stabilized gold nanoclusters as fluorescent nanoprobes and a Fenton reaction that induces fluorescence quenching." Microchimica Acta 184, no. 4 (February 6, 2017): 1103–8. http://dx.doi.org/10.1007/s00604-017-2110-x.

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13

Deng, Xinyi, Sizhe Zhang, Nengsheng Ye, Lu Zhang, and Yuhong Xiang. "Ratiometric fluorescence for ultrasensitive detection of chlortetracycline in milk matrix based on its blue alkaline degradation product and red-emitting cyclodextrin stabilized gold nanocluster." Dyes and Pigments 206 (October 2022): 110660. http://dx.doi.org/10.1016/j.dyepig.2022.110660.

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14

Kim, Jun Myung, So Hyeong Sohn, Noh Soo Han, Seung Min Park, Joohoon Kim, and Jae Kyu Song. "Blue Luminescence of Dendrimer-Encapsulated Gold Nanoclusters." ChemPhysChem 15, no. 14 (July 24, 2014): 2917–21. http://dx.doi.org/10.1002/cphc.201402287.

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15

Shan, Fengyuan, Luca Panariello, Gaowei Wu, Asterios Gavriilidis, Helen H. Fielding, and Ivan P. Parkin. "A study of the interaction of cationic dyes with gold nanostructures." RSC Advances 11, no. 29 (2021): 17694–703. http://dx.doi.org/10.1039/d1ra03459f.

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16

Porta, Matteo, Mai Thanh Nguyen, Tomoharu Tokunaga, Yohei Ishida, Wei-Ren Liu, and Tetsu Yonezawa. "Matrix Sputtering into Liquid Mercaptan: From Blue-Emitting Copper Nanoclusters to Red-Emitting Copper Sulfide Nanoclusters." Langmuir 32, no. 46 (November 8, 2016): 12159–65. http://dx.doi.org/10.1021/acs.langmuir.6b03017.

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17

Anand, Uttam, Subhadip Ghosh, and Saptarshi Mukherjee. "Toggling Between Blue- and Red-Emitting Fluorescent Silver Nanoclusters." Journal of Physical Chemistry Letters 3, no. 23 (November 27, 2012): 3605–9. http://dx.doi.org/10.1021/jz301733y.

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18

Le Guével, Xavier, Benjamin Hötzer, Gregor Jung, and Marc Schneider. "NIR-emitting fluorescent gold nanoclusters doped in silica nanoparticles." Journal of Materials Chemistry 21, no. 9 (2011): 2974. http://dx.doi.org/10.1039/c0jm02660c.

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19

Xu, Yibing, Qiang Zhang, Longfei Lv, Wenqian Han, Guanhong Wu, Dong Yang, and Angang Dong. "Synthesis of ultrasmall CsPbBr3 nanoclusters and their transformation to highly deep-blue-emitting nanoribbons at room temperature." Nanoscale 9, no. 44 (2017): 17248–53. http://dx.doi.org/10.1039/c7nr06959f.

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20

Xue, Wanying, Jiangyan Zhong, Haishan Wu, Jianhua Zhang, and Yuwu Chi. "A visualized ratiometric fluorescence sensing system for copper ions based on gold nanoclusters/perovskite quantum dot@SiO₂ nanocomposites." Analyst 146, no. 24 (2021): 7545–53. http://dx.doi.org/10.1039/d1an01857d.

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Green light-emitting SiO2-encapsulated single perovskite quantum dot (PQD@SiO2) core-shell nanostructures are composited with red light-emitting gold nanoclusters (AuNCs) to obtain a visualized ratiometric fluorescence sensor for the detection of Cu2+.

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21

Fu, Ding-Yi, Ya-Rong Xue, Yongqing Guo, Zhiyu Qu, Hong-Wei Li, Hui Wu, and Yuqing Wu. "Strong red-emitting gold nanoclusters protected by glutathione S-transferase." Nanoscale 10, no. 48 (2018): 23141–48. http://dx.doi.org/10.1039/c8nr05691a.

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22

Musnier, Benjamin, K. David Wegner, Clothilde Comby-Zerbino, Vanessa Trouillet, Muriel Jourdan, Ines Häusler, Rodolphe Antoine, Jean-Luc Coll, Ute Resch-Genger, and Xavier Le Guével. "High photoluminescence of shortwave infrared-emitting anisotropic surface charged gold nanoclusters." Nanoscale 11, no. 25 (2019): 12092–96. http://dx.doi.org/10.1039/c9nr04120f.

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23

Valenta, Jan, Michael Greben, Goutam Pramanik, Klaudia Kvakova, and Petr Cigler. "Reversible photo- and thermal-effects on the luminescence of gold nanoclusters: implications for nanothermometry." Physical Chemistry Chemical Physics 23, no. 20 (2021): 11954–60. http://dx.doi.org/10.1039/d0cp06467j.

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24

Yang, M. D., S. W. Wu, G. W. Shu, J. S. Wang, J. L. Shen, C. H. Wu, C. A. J. Lin, et al. "Improving Performance of InGaN/GaN Light-Emitting Diodes and GaAs Solar Cells Using Luminescent Gold Nanoclusters." Journal of Nanomaterials 2009 (2009): 1–5. http://dx.doi.org/10.1155/2009/840791.

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We studied the optoelectronic properties of the InGaN/GaN multiple-quantum-well light emitting diodes (LEDs) and single-junction GaAs solar cells by introducing the luminescent Au nanoclusters. The electroluminescence intensity for InGaN/GaN LEDs increases after incorporation of the luminescent Au nanoclusters. An increase of 15.4% in energy conversion efficiency is obtained for the GaAs solar cells in which the luminescent Au nanoclusters have been incorporated. We suggest that the increased light coupling due to radiative scattering from nanoclusters is responsible for improving the performance of the LEDs and solar cells.

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25

Fehér, Bence, Judith Mihály, Attila Demeter, László Almásy, András Wacha, Zoltán Varga, Imre Varga, Jan Skov Pedersen, and Attila Bóta. "Advancement of Fluorescent and Structural Properties of Bovine Serum Albumin-Gold Bioconjugates in Normal and Heavy Water with pH Conditioning and Ageing." Nanomaterials 12, no. 3 (January 25, 2022): 390. http://dx.doi.org/10.3390/nano12030390.

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The red-emitting fluorescent properties of bovine serum albumin (BSA)–gold conjugates are commonly attributed to gold nanoclusters formed by metallic and ionized gold atoms, stabilized by the protein. Others argue that red fluorescence originates from gold cation–protein complexes instead, not gold nanoclusters. Our fluorescence and infrared spectroscopy, neutron, and X-ray small-angle scattering measurements show that the fluorescence and structural behavior of BSA–Au conjugates are different in normal and heavy water, strengthening the argument for the existence of loose ionic gold–protein complexes. The quantum yield for red-emitting luminescence is higher in heavy water (3.5%) than normal water (2.4%), emphasizing the impact of hydration effects. Changes in red luminescence are associated with the perturbations of BSA conformations and alterations to interatomic gold–sulfur and gold–oxygen interactions. The relative alignment of domains I and II, II and III, III and IV of BSA, determined from small-angle scattering measurements, indicate a loose (“expanded-like”) structure at pH 12 (pD ~12); by contrast, at pH 7 (pD ~7), a more regular formation appears with an increased distance between the I and II domains, suggesting the localization of gold atoms in these regions.

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26

Porta, Matteo, Mai Thanh Nguyen, Yohei Ishida, and Tetsu Yonezawa. "Highly stable and blue-emitting copper nanocluster dispersion prepared by magnetron sputtering over liquid polymer matrix." RSC Advances 6, no. 107 (2016): 105030–34. http://dx.doi.org/10.1039/c6ra17291a.

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27

Wang, Zhenguang, Andrei S. Susha, Bingkun Chen, Claas Reckmeier, Ondrej Tomanec, Radek Zboril, Haizheng Zhong, and Andrey L. Rogach. "Poly(vinylpyrrolidone) supported copper nanoclusters: glutathione enhanced blue photoluminescence for application in phosphor converted light emitting devices." Nanoscale 8, no. 13 (2016): 7197–202. http://dx.doi.org/10.1039/c6nr00806b.

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28

Ungor, Ditta, Krisztián Horváth, Imre Dékány, and Edit Csapó. "Red-emitting gold nanoclusters for rapid fluorescence sensing of tryptophan metabolites." Sensors and Actuators B: Chemical 288 (June 2019): 728–33. http://dx.doi.org/10.1016/j.snb.2019.03.026.

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29

Li, Chun-Mei, and Shou-Nian Ding. "Rapid, selective, and ultrasensitive fluorescence ratiometric detection of sulfide ions using dual-emitting BSA–erbium(iii)-modulated gold–silver bimetallic nanoclusters." Analytical Methods 7, no. 10 (2015): 4348–54. http://dx.doi.org/10.1039/c5ay00685f.

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30

Xu, Hongda, Houjuan Zhu, Mingtai Sun, Huan Yu, Huihui Li, Fang Ma, and Suhua Wang. "Graphene oxide supported gold nanoclusters for the sensitive and selective detection of nitrite ions." Analyst 140, no. 5 (2015): 1678–85. http://dx.doi.org/10.1039/c4an02181a.

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31

Liu, Haijian, Miao Wang, Zhenxiang Li, Chengjie Xin, and Guofu Huang. "A fluorescence sensing method for brilliant blue with gold nanoclusters based on the inner filter effect." Analytical Methods 12, no. 37 (2020): 4551–55. http://dx.doi.org/10.1039/d0ay01355b.

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32

Sahu, Dillip Kumar, Priyanka Sarkar, Debabrata Singha, and Kalyanasis Sahu. "Protein-activated transformation of silver nanoparticles into blue and red-emitting nanoclusters." RSC Advances 9, no. 67 (2019): 39405–9. http://dx.doi.org/10.1039/c9ra06774d.

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33

Yang, Lina, Xuefen Lou, Fanfan Yu, and Honglin Liu. "Cross-linking structure-induced strong blue emissive gold nanoclusters for intracellular sensing." Analyst 144, no. 8 (2019): 2765–72. http://dx.doi.org/10.1039/c9an00132h.

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Fluorescent gold nanoclusters (Au NCs) are new emerging fluorescent nanomaterials with broad application prospects but limited by the complicated preparation, low quantum yield (QY) and poor biological applications.

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34

Wang, P., L. T. Yuan, X. Huang, W. J. Chen, K. Jia, and X. B. Liu. "Tuning of polyarylene ether nitrile emission profile by using red-emitting gold nanoclusters via fluorescence resonance energy transfer." RSC Adv. 4, no. 87 (2014): 46541–44. http://dx.doi.org/10.1039/c4ra07350a.

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35

Zhang, Shuai, Cong Zhang, Xiaodong Shao, Rentian Guan, Yingying Hu, Keying Zhang, Wenjing Liu, Min Hong, and Qiaoli Yue. "Dual-emission ratio fluorescence for selective and sensitive detection of ferric ions and ascorbic acid based on one-pot synthesis of glutathione protected gold nanoclusters." RSC Advances 11, no. 28 (2021): 17283–90. http://dx.doi.org/10.1039/d0ra10281d.

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A fluorometric method was proposed for the determination of Fe³⁺ and ascorbic acid (AA) based on blue and red dual fluorescence emissions of glutathione (GSH) stabilized-gold nanoclusters (AuNCs).

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36

Wang, Chuanxi, Yijun Huang, Huihui Lin, Zhenzhu Xu, Jiapeng Wu, Mark G. Humphrey, and Chi Zhang. "Gold nanoclusters based dual-emission hollow TiO2 microsphere for ratiometric optical thermometry." RSC Advances 5, no. 76 (2015): 61586–92. http://dx.doi.org/10.1039/c5ra13475g.

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The dual-emitting hollow TiO₂ microspheres are prepared and they show dual emission fluorescence with single-excitation, which could be used as nanosensors for accurate measurement of temperature over the wide temperature range (20–80 °C).

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Krishna Kumar, A. Santhana, and Wei-Lung Tseng. "Perspective on recent developments of near infrared-emitting gold nanoclusters: applications in sensing and bio-imaging." Analytical Methods 12, no. 14 (2020): 1809–26. http://dx.doi.org/10.1039/d0ay00157k.

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Near infrared-emitting AuNCs can be achieved using thiols, proteins, peptides, and polymers as a templates, these NIR-emitting fluorescent AuNCs are suitable for sensing of metal ions, anions, aminothiols and real-world samples.

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38

Zhang, Shen, Zhuo Wang, Wenyu Yan, and Yuyu Guo. "Novel luteolin sensor of tannic acid-stabilized copper nanoclusters with blue-emitting fluorescence." Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 259 (October 2021): 119887. http://dx.doi.org/10.1016/j.saa.2021.119887.

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39

Ding, Shou-Nian, and Yun-Xia Guo. "One-pot synthesis of dual-emitting BSA–Pt–Au bimetallic nanoclusters for fluorescence ratiometric detection of mercury ions and cysteine." Analytical Methods 7, no. 14 (2015): 5787–93. http://dx.doi.org/10.1039/c5ay01112d.

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Dual-emitting bovine serum albumin-templated bimetallic platinum–gold fluorescent nanoclusters (BSA–Pt–Au NCs) have been used to detect Hg²⁺ ions and cysteine with the ratio of two emission intensities (F₄₀₅/F₆₄₀) in ultra-sensitivity and selectivity with high accuracy.

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40

Zhang, Hui, Yanling Zhai, and Shaojun Dong. "Reversible modulation of gold nanoclusters photoluminescence based on electrochromic poly(methylene blue)." Talanta 129 (November 2014): 139–42. http://dx.doi.org/10.1016/j.talanta.2014.05.044.

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41

Kim, Jun Myung, So Hyeong Sohn, Noh Soo Han, Seung Min Park, Joohoon Kim, and Jae Kyu Song. "Cover Picture: Blue Luminescence of Dendrimer-Encapsulated Gold Nanoclusters (ChemPhysChem 14/2014)." ChemPhysChem 15, no. 14 (September 26, 2014): 2873. http://dx.doi.org/10.1002/cphc.201490066.

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42

Seki, Tomohiro, Kenta Sakurada, and Hajime Ito. "Mismatched changes of the photoluminescence and crystalline structure of a mechanochromic gold(i) isocyanide complex." Chemical Communications 51, no. 73 (2015): 13933–36. http://dx.doi.org/10.1039/c5cc04609b.

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43

Yang, Yan, Liqiang Lu, Xike Tian, Yong Li, Chao Yang, Yulun Nie, and Zhaoxin Zhou. "Ratiometric fluorescence detection of mercuric ions by sole intrinsic dual-emitting gold nanoclusters." Sensors and Actuators B: Chemical 278 (January 2019): 82–87. http://dx.doi.org/10.1016/j.snb.2018.09.072.

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44

El‐Sayed, Nesma, Vanessa Trouillet, Anne Clasen, Gregor Jung, Klaus Hollemeyer, and Marc Schneider. "NIR‐Emitting Gold Nanoclusters–Modified Gelatin Nanoparticles as a Bioimaging Agent in Tissue." Advanced Healthcare Materials 8, no. 24 (November 26, 2019): 1900993. http://dx.doi.org/10.1002/adhm.201900993.

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45

Peng, Yaowei, Xiaoyu Huang, and Fu Wang. "Near-infrared emitting gold–silver nanoclusters with large Stokes shifts for two-photon in vivo imaging." Chemical Communications 57, no. 96 (2021): 13012–15. http://dx.doi.org/10.1039/d1cc04445a.

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46

Zhang, Shen, Junhong Li, Suiyuan Huang, Xinru Ma, and Caifeng Zhang. "Novel blue-emitting probes of polyethyleneimine-capped copper nanoclusters for fluorescence detection of quercetin." Chemical Papers 75, no. 8 (April 1, 2021): 3761–69. http://dx.doi.org/10.1007/s11696-021-01624-9.

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47

Zhang, Shen, Yuzhe Li, Chenglu Fan, Jinqi Liu, and Yuyu Guo. "Glutathione-templated blue emitting copper nanoclusters as selective fluorescent probe for quantification of nitrofurazone." Chemical Physics Letters 825 (August 2023): 140614. http://dx.doi.org/10.1016/j.cplett.2023.140614.

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Guo, Yanjia, Xijuan Zhao, Tengfei Long, Min Lin, Zhongde Liu, and Chengzhi Huang. "Histidine-mediated synthesis of chiral fluorescence gold nanoclusters: insight into the origin of nanoscale chirality." RSC Advances 5, no. 75 (2015): 61449–54. http://dx.doi.org/10.1039/c5ra10985j.

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Zhang, Yongjie, Ning Feng, Shujin Zhou, and Xia Xin. "Fluorescent nanocomposites based on gold nanoclusters for metal ion detection and white light emitting diodes." Nanoscale 13, no. 7 (2021): 4140–50. http://dx.doi.org/10.1039/d0nr09141c.

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Abstract:

Two nonocomposites with distinct emission properties were obtained by encapsulating MPA-AuNCs in either ZnS QDs or ZIF-8 shell, which were applied for discriminative chemical sensor and white light emitting diode respectively.

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Tan, Shih-Hua, Sibidou Yougbaré, Hsueh-Liang Chu, Tsung-Rong Kuo, and Tsai-Mu Cheng. "Hemoglobin-Conjugated Gold Nanoclusters for Qualitative Analysis of Haptoglobin Phenotypes." Polymers 12, no. 10 (September 29, 2020): 2242. http://dx.doi.org/10.3390/polym12102242.

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Abstract:

Designing a facile and rapid detection method for haptoglobin (Hp) phenotypes in human blood plasma is urgently needed to meet clinic requirements in hemolysis theranostics. In this work, a novel approach to qualitatively analyze Hp phenotypes was developed using a fluorescent probe of gold nanoclusters (AuNCs). Hemoglobin-conjugated (Hb)-AuNCs were successfully synthesized with blue-green fluorescence and high biocompatibility via one-pot synthesis. The fluorescence of Hb-AuNCs comes from the ligand-metal charge transfer between surface ligands of Hb and the gold cores with high oxidation states. The biocompatibility assays including cell viability and fluorescence imaging, demonstrated high biocompatibility of Hb-AuNCs. For the qualitative analysis, three Hp phenotypes in plasma, Hp 1-1, Hp 2-1, and Hp 2-2, were successfully discriminated according to changes in the fluorescence intensity and peak position of the maximum intensity of Hb-AuNCs. Our work provides a practical method with facile and rapid properties for the qualitative analysis of three Hp phenotypes in human blood plasma.

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